Seiko Cal. 6653 - 944

This Spring Drive model from 1981 features a 44mm PVD Black case. With its 21mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-02d6d2768659]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1981

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